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Phase difference

  1. May 28, 2014 #1
    1. The problem statement, all variables and given/known data

    for part ii , why the phase difference isnt =pi/2 ? i'm having problem uploading the photo .https://www.flickr.com/photos/123101228@N03/14289633415/

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. May 28, 2014 #2


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    In the second graph under ii, you appear to have pencilled in two arrows exactly one complete cycle apart. How far is that in terms of radians?
  4. May 28, 2014 #3
    i am not sure the penciled arrows is correct or not? on the top diagram in ii, both arrow at 0 and pi pointed downwards, whereas the below diagram pionted upwards. i did this beacuse i refer to the notes on other old book , but i dont know the reason why should i do this. can you expalin why?
  5. May 28, 2014 #4
    Last edited: May 28, 2014
  6. May 28, 2014 #5


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    I wasn't asking why the arrows are there, that doesn't matter. I'm just asking how far apart you think they are as a number of radians, i.e. their phase difference. From your reply, you seem to think they're π apart. They're one complete cycle apart, which is 2π.
  7. May 28, 2014 #6
    sorry , i should nt have asked this question. i realized my mistake.
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